linux-kernel - Re: [PATCH] proc: fix map

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Message-ID: <8f4ea187-67cc-fa5f-ea6d-5070e18b503c@infradead.org>
Date:   Sun, 14 Apr 2019 09:06:45 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] proc: fix map_files test on F29

On 4/14/19 8:58 AM, Alexey Dobriyan wrote:
> On Sun, Apr 14, 2019 at 08:24:53AM -0700, Randy Dunlap wrote:
>> On 4/14/19 5:36 AM, Alexey Dobriyan wrote:
>>> F29 bans mapping first 64KB even for root making test fail.
>>
>> so there is an F29-only patch that prevents that?
>> something that is not in mainline?
> 
> Ehh, no. F29 ships stable kernels actually.
> 
> Test assumes mmap(0, MAP_FIXED) succeeds as root. F29 uses SELinux
> to ban that.
> 

Thanks for the clarification.

-- 
~Randy